package cn.itcast.bos.web.action.take_delivery;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import org.apache.commons.io.FileUtils;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionContext;

import cn.itcast.bos.utils.BaseAction;


@ParentPackage("json-default")
@Namespace("/")
@Controller
@Scope("prototype")
public class ImageAction extends BaseAction<Object>{

	private File imgFile;
	private String imgFileFileName;
	private String imgFileContentType;
	public void setImgFile(File imgFile) {
		this.imgFile = imgFile;
	}
	public void setImgFileFileName(String imgFileFileName) {
		this.imgFileFileName = imgFileFileName;
	}
	public void setImgFileContentType(String imgFileContentType) {
		this.imgFileContentType = imgFileContentType;
	}
	
	@Action(value="image_upload",results={@Result(name="success",type="json")})
	public String upload() throws Exception{
		//保存文件地址
		//绝对路径
		String savePath=ServletActionContext.getServletContext().getRealPath("/upload/");
		//相对路径
		String saveUrl=ServletActionContext.getRequest().getContextPath()+"/upload/";
		
		System.out.println(savePath);
		System.out.println("===========================");
		System.out.println(saveUrl);
		//生成随机图片
		UUID uuid = UUID.randomUUID();
		String ext=imgFileFileName.substring(imgFileFileName.lastIndexOf("."));
		String randomFileName=uuid+ext;
		
		//保存图片(绝对路径)
		FileUtils.copyFile(imgFile, new File(savePath+"/"+randomFileName));
		
		//通知浏览器文件上传成功
		
		Map<String,Object> map= new  HashMap<String,Object>();
		map.put("error", 0);
		map.put("url",saveUrl+randomFileName);
		//值栈
		ActionContext.getContext().getValueStack().push(map);
		return SUCCESS;
	}

	@Action(value="image_manage",results={@Result(name="success",type="json")})
	public String manage(){
		//根目录路径
		String rootPath=ServletActionContext.getServletContext().getRealPath("/")+"/upload";
		//跟目录url
		String rootUrl=ServletActionContext.getRequest().getContextPath()+"/upload/";
		
		//遍历目录的文件信息
		List<Map<String,Object>>fileList=new ArrayList<Map<String,Object>>();
		//当前上传目录
		File currentPathFile=new File(rootPath);
		//图片扩展名
		String[]fileTypes=new String[]{"gif","jpg","jpeg","png","bmg"};
		

		if (currentPathFile.listFiles() != null) {
			for (File file : currentPathFile.listFiles()) {
				Map<String, Object> hash = new HashMap<String, Object>();
				String fileName = file.getName();
				if (file.isDirectory()) {
					hash.put("is_dir", true);
					hash.put("has_file", (file.listFiles() != null));
					hash.put("filesize", 0L);
					hash.put("is_photo", false);
					hash.put("filetype", "");
				} else if (file.isFile()) {
					String fileExt = fileName.substring(
							fileName.lastIndexOf(".") + 1).toLowerCase();
					hash.put("is_dir", false);
					hash.put("has_file", false);
					hash.put("filesize", file.length());
					hash.put("is_photo", Arrays.<String> asList(fileTypes)
							.contains(fileExt));
					hash.put("filetype", fileExt);
				}
				hash.put("filename", fileName);
				hash.put("datetime",
						new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(file.lastModified()));
				fileList.add(hash);
			}
		}
		Map<String, Object> result = new HashMap<String, Object>();
		result.put("moveup_dir_path", "");
		result.put("current_dir_path", rootPath);
		result.put("current_url", rootUrl);
		result.put("total_count", fileList.size());
		result.put("file_list", fileList);
		ActionContext.getContext().getValueStack().push(result);
		
		return SUCCESS;
	}
}
